Quizbank/Electricity and Magnetism (calculus based)/QB153099154193
QB153099154193
QB:Ch 5:V0[edit | edit source]
QB153099154193
- a) 5.272E+01 degrees
- b) 5.799E+01 degrees
- c) 6.379E+01 degrees
- d) 7.017E+01 degrees
- e) 7.719E+01 degrees
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=0.79 m if a=0.75 m, b=2.1 m. The total charge on the rod is 6 nC.
- a) 5.825E+00 V/m2
- b) 6.407E+00 V/m2
- c) 7.048E+00 V/m2
- d) 7.753E+00 V/m2
- e) 8.528E+00 V/m2
- a) 1.172E-14 N
- b) 1.290E-14 N
- c) 1.419E-14 N
- d) 1.561E-14 N
- e) 1.717E-14 N
KEY:QB:Ch 5:V0[edit | edit source]
QB153099154193
- -a) 5.272E+01 degrees
- +b) 5.799E+01 degrees
- -c) 6.379E+01 degrees
- -d) 7.017E+01 degrees
- -e) 7.719E+01 degrees
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=0.79 m if a=0.75 m, b=2.1 m. The total charge on the rod is 6 nC.
- +a) 5.825E+00 V/m2
- -b) 6.407E+00 V/m2
- -c) 7.048E+00 V/m2
- -d) 7.753E+00 V/m2
- -e) 8.528E+00 V/m2
- -a) 1.172E-14 N
- +b) 1.290E-14 N
- -c) 1.419E-14 N
- -d) 1.561E-14 N
- -e) 1.717E-14 N
QB:Ch 5:V1[edit | edit source]
QB153099154193
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.8 m. Evaluate at x=0.5 m if a=0.67 m, b=2.4 m. The total charge on the rod is 9 nC.
- a) 5.465E+00 V/m2
- b) 6.012E+00 V/m2
- c) 6.613E+00 V/m2
- d) 7.274E+00 V/m2
- e) 8.002E+00 V/m2
- a) 5.243E+01 degrees
- b) 5.767E+01 degrees
- c) 6.343E+01 degrees
- d) 6.978E+01 degrees
- e) 7.676E+01 degrees
- a) 2.036E-14 N
- b) 2.240E-14 N
- c) 2.464E-14 N
- d) 2.710E-14 N
- e) 2.981E-14 N
KEY:QB:Ch 5:V1[edit | edit source]
QB153099154193
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.8 m. Evaluate at x=0.5 m if a=0.67 m, b=2.4 m. The total charge on the rod is 9 nC.
- -a) 5.465E+00 V/m2
- -b) 6.012E+00 V/m2
- -c) 6.613E+00 V/m2
- +d) 7.274E+00 V/m2
- -e) 8.002E+00 V/m2
- -a) 5.243E+01 degrees
- -b) 5.767E+01 degrees
- +c) 6.343E+01 degrees
- -d) 6.978E+01 degrees
- -e) 7.676E+01 degrees
- -a) 2.036E-14 N
- -b) 2.240E-14 N
- +c) 2.464E-14 N
- -d) 2.710E-14 N
- -e) 2.981E-14 N
QB:Ch 5:V2[edit | edit source]
QB153099154193
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=1.1 m if a=0.62 m, b=1.3 m. The total charge on the rod is 7 nC.
- a) 6.311E+00 V/m2
- b) 6.943E+00 V/m2
- c) 7.637E+00 V/m2
- d) 8.401E+00 V/m2
- e) 9.241E+00 V/m2
- a) 1.473E-14 N
- b) 1.620E-14 N
- c) 1.782E-14 N
- d) 1.960E-14 N
- e) 2.156E-14 N
- a) 5.272E+01 degrees
- b) 5.799E+01 degrees
- c) 6.379E+01 degrees
- d) 7.017E+01 degrees
- e) 7.719E+01 degrees
KEY:QB:Ch 5:V2[edit | edit source]
QB153099154193
is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m. Evaluate at x=1.1 m if a=0.62 m, b=1.3 m. The total charge on the rod is 7 nC.
- -a) 6.311E+00 V/m2
- -b) 6.943E+00 V/m2
- +c) 7.637E+00 V/m2
- -d) 8.401E+00 V/m2
- -e) 9.241E+00 V/m2
- -a) 1.473E-14 N
- -b) 1.620E-14 N
- -c) 1.782E-14 N
- -d) 1.960E-14 N
- +e) 2.156E-14 N
- -a) 5.272E+01 degrees
- +b) 5.799E+01 degrees
- -c) 6.379E+01 degrees
- -d) 7.017E+01 degrees
- -e) 7.719E+01 degrees
QB:Ch 6:V0[edit | edit source]
QB153099154193
- a) 8.314E+01 N·m2/C
- b) 9.146E+01 N·m2/C
- c) 1.006E+02 N·m2/C
- d) 1.107E+02 N·m2/C
- e) 1.217E+02 N·m2/C
2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- a) 1.096E+00 N/C
- b) 1.206E+00 N/C
- c) 1.327E+00 N/C
- d) 1.459E+00 N/C
- e) 1.605E+00 N/C
3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?
- a) 3.604E+02 N/C
- b) 3.964E+02 N/C
- c) 4.360E+02 N/C
- d) 4.796E+02 N/C
- e) 5.276E+02 N/C
KEY:QB:Ch 6:V0[edit | edit source]
QB153099154193
- +a) 8.314E+01 N·m2/C
- -b) 9.146E+01 N·m2/C
- -c) 1.006E+02 N·m2/C
- -d) 1.107E+02 N·m2/C
- -e) 1.217E+02 N·m2/C
2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- -a) 1.096E+00 N/C
- -b) 1.206E+00 N/C
- -c) 1.327E+00 N/C
- -d) 1.459E+00 N/C
- +e) 1.605E+00 N/C
3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?
- +a) 3.604E+02 N/C
- -b) 3.964E+02 N/C
- -c) 4.360E+02 N/C
- -d) 4.796E+02 N/C
- -e) 5.276E+02 N/C
QB:Ch 6:V1[edit | edit source]
QB153099154193
1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?
- a) 1.123E+02 N/C
- b) 1.235E+02 N/C
- c) 1.358E+02 N/C
- d) 1.494E+02 N/C
- e) 1.644E+02 N/C
2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- a) 1.096E+00 N/C
- b) 1.206E+00 N/C
- c) 1.327E+00 N/C
- d) 1.459E+00 N/C
- e) 1.605E+00 N/C
- a) 3.222E+01 N·m2/C
- b) 3.544E+01 N·m2/C
- c) 3.899E+01 N·m2/C
- d) 4.289E+01 N·m2/C
- e) 4.718E+01 N·m2/C
KEY:QB:Ch 6:V1[edit | edit source]
QB153099154193
1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.4 (r≤R) where a=2 nC·m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?
- -a) 1.123E+02 N/C
- -b) 1.235E+02 N/C
- +c) 1.358E+02 N/C
- -d) 1.494E+02 N/C
- -e) 1.644E+02 N/C
2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- -a) 1.096E+00 N/C
- -b) 1.206E+00 N/C
- -c) 1.327E+00 N/C
- -d) 1.459E+00 N/C
- +e) 1.605E+00 N/C
- +a) 3.222E+01 N·m2/C
- -b) 3.544E+01 N·m2/C
- -c) 3.899E+01 N·m2/C
- -d) 4.289E+01 N·m2/C
- -e) 4.718E+01 N·m2/C
QB:Ch 6:V2[edit | edit source]
QB153099154193
- a) 2.134E+01 N·m2/C
- b) 2.347E+01 N·m2/C
- c) 2.582E+01 N·m2/C
- d) 2.840E+01 N·m2/C
- e) 3.124E+01 N·m2/C
2) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 3.0 m from the center?
- a) 7.825E+02 N/C
- b) 8.607E+02 N/C
- c) 9.468E+02 N/C
- d) 1.041E+03 N/C
- e) 1.146E+03 N/C
3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- a) 1.096E+00 N/C
- b) 1.206E+00 N/C
- c) 1.327E+00 N/C
- d) 1.459E+00 N/C
- e) 1.605E+00 N/C
KEY:QB:Ch 6:V2[edit | edit source]
QB153099154193
- -a) 2.134E+01 N·m2/C
- -b) 2.347E+01 N·m2/C
- +c) 2.582E+01 N·m2/C
- -d) 2.840E+01 N·m2/C
- -e) 3.124E+01 N·m2/C
2) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by ρ(r)=ar1.5 (r≤R) where a=2 nC·m-1.5. What is the magnitude of the electric field at a distance of 3.0 m from the center?
- +a) 7.825E+02 N/C
- -b) 8.607E+02 N/C
- -c) 9.468E+02 N/C
- -d) 1.041E+03 N/C
- -e) 1.146E+03 N/C
3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
- -a) 1.096E+00 N/C
- -b) 1.206E+00 N/C
- -c) 1.327E+00 N/C
- -d) 1.459E+00 N/C
- +e) 1.605E+00 N/C
QB:Ch 7:V0[edit | edit source]
QB153099154193
- a) 4.554E+01 J
- b) 5.009E+01 J
- c) 5.510E+01 J
- d) 6.061E+01 J
- e) 6.667E+01 J
2) A 7 C charge is separated from a 12 C charge by distance of 9 cm. What is the work done by increasing this separation to 15 cm?
- a) 2.292E-06 J
- b) 2.521E-06 J
- c) 2.773E-06 J
- d) 3.050E-06 J
- e) 3.355E-06 J
3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 69 V.
- a) 3.365E+06 m/s
- b) 3.701E+06 m/s
- c) 4.072E+06 m/s
- d) 4.479E+06 m/s
- e) 4.927E+06 m/s
KEY:QB:Ch 7:V0[edit | edit source]
QB153099154193
- -a) 4.554E+01 J
- -b) 5.009E+01 J
- -c) 5.510E+01 J
- +d) 6.061E+01 J
- -e) 6.667E+01 J
2) A 7 C charge is separated from a 12 C charge by distance of 9 cm. What is the work done by increasing this separation to 15 cm?
- -a) 2.292E-06 J
- -b) 2.521E-06 J
- -c) 2.773E-06 J
- -d) 3.050E-06 J
- +e) 3.355E-06 J
3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 69 V.
- -a) 3.365E+06 m/s
- -b) 3.701E+06 m/s
- -c) 4.072E+06 m/s
- -d) 4.479E+06 m/s
- +e) 4.927E+06 m/s
QB:Ch 7:V1[edit | edit source]
QB153099154193
1) A 8 C charge is separated from a 12 C charge by distance of 9 cm. What is the work done by increasing this separation to 18 cm?
- a) 3.274E-06 J
- b) 3.601E-06 J
- c) 3.961E-06 J
- d) 4.358E-06 J
- e) 4.793E-06 J
- a) 3.116E+01 J
- b) 3.427E+01 J
- c) 3.770E+01 J
- d) 4.147E+01 J
- e) 4.562E+01 J
3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
- a) 4.411E+06 m/s
- b) 4.853E+06 m/s
- c) 5.338E+06 m/s
- d) 5.872E+06 m/s
- e) 6.459E+06 m/s
KEY:QB:Ch 7:V1[edit | edit source]
QB153099154193
1) A 8 C charge is separated from a 12 C charge by distance of 9 cm. What is the work done by increasing this separation to 18 cm?
- -a) 3.274E-06 J
- -b) 3.601E-06 J
- -c) 3.961E-06 J
- -d) 4.358E-06 J
- +e) 4.793E-06 J
- -a) 3.116E+01 J
- -b) 3.427E+01 J
- -c) 3.770E+01 J
- -d) 4.147E+01 J
- +e) 4.562E+01 J
3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
- -a) 4.411E+06 m/s
- -b) 4.853E+06 m/s
- +c) 5.338E+06 m/s
- -d) 5.872E+06 m/s
- -e) 6.459E+06 m/s
QB:Ch 7:V2[edit | edit source]
QB153099154193
- a) 4.438E+01 J
- b) 4.882E+01 J
- c) 5.370E+01 J
- d) 5.907E+01 J
- e) 6.498E+01 J
2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
- a) 4.411E+06 m/s
- b) 4.853E+06 m/s
- c) 5.338E+06 m/s
- d) 5.872E+06 m/s
- e) 6.459E+06 m/s
3) A 5 C charge is separated from a 12 C charge by distance of 10 cm. What is the work done by increasing this separation to 16 cm?
- a) 1.381E-06 J
- b) 1.519E-06 J
- c) 1.671E-06 J
- d) 1.838E-06 J
- e) 2.022E-06 J
KEY:QB:Ch 7:V2[edit | edit source]
QB153099154193
- -a) 4.438E+01 J
- +b) 4.882E+01 J
- -c) 5.370E+01 J
- -d) 5.907E+01 J
- -e) 6.498E+01 J
2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
- -a) 4.411E+06 m/s
- -b) 4.853E+06 m/s
- +c) 5.338E+06 m/s
- -d) 5.872E+06 m/s
- -e) 6.459E+06 m/s
3) A 5 C charge is separated from a 12 C charge by distance of 10 cm. What is the work done by increasing this separation to 16 cm?
- -a) 1.381E-06 J
- -b) 1.519E-06 J
- -c) 1.671E-06 J
- -d) 1.838E-06 J
- +e) 2.022E-06 J
QB:Ch 8:V0[edit | edit source]
QB153099154193
- a) 2.385E+01 μC
- b) 2.623E+01 μC
- c) 2.886E+01 μC
- d) 3.174E+01 μC
- e) 3.492E+01 μC
2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?
- a) 2.249E+01 μC
- b) 2.473E+01 μC
- c) 2.721E+01 μC
- d) 2.993E+01 μC
- e) 3.292E+01 μC
- a) 2.443E+01 μJ
- b) 2.687E+01 μJ
- c) 2.955E+01 μJ
- d) 3.251E+01 μJ
- e) 3.576E+01 μJ
KEY:QB:Ch 8:V0[edit | edit source]
QB153099154193
- -a) 2.385E+01 μC
- -b) 2.623E+01 μC
- -c) 2.886E+01 μC
- -d) 3.174E+01 μC
- +e) 3.492E+01 μC
2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?
- -a) 2.249E+01 μC
- +b) 2.473E+01 μC
- -c) 2.721E+01 μC
- -d) 2.993E+01 μC
- -e) 3.292E+01 μC
- +a) 2.443E+01 μJ
- -b) 2.687E+01 μJ
- -c) 2.955E+01 μJ
- -d) 3.251E+01 μJ
- -e) 3.576E+01 μJ
QB:Ch 8:V1[edit | edit source]
QB153099154193
- a) 7.625E+01 μC
- b) 8.388E+01 μC
- c) 9.227E+01 μC
- d) 1.015E+02 μC
- e) 1.116E+02 μC
- a) 2.138E+01 μJ
- b) 2.352E+01 μJ
- c) 2.587E+01 μJ
- d) 2.845E+01 μJ
- e) 3.130E+01 μJ
3) An empty parallel-plate capacitor with metal plates has an area of 2.84 m2, separated by 1.42 mm. How much charge does it store if the voltage is 1.510E+03 V?
- a) 1.826E+01 μC
- b) 2.009E+01 μC
- c) 2.210E+01 μC
- d) 2.431E+01 μC
- e) 2.674E+01 μC
KEY:QB:Ch 8:V1[edit | edit source]
QB153099154193
- +a) 7.625E+01 μC
- -b) 8.388E+01 μC
- -c) 9.227E+01 μC
- -d) 1.015E+02 μC
- -e) 1.116E+02 μC
- -a) 2.138E+01 μJ
- -b) 2.352E+01 μJ
- -c) 2.587E+01 μJ
- +d) 2.845E+01 μJ
- -e) 3.130E+01 μJ
3) An empty parallel-plate capacitor with metal plates has an area of 2.84 m2, separated by 1.42 mm. How much charge does it store if the voltage is 1.510E+03 V?
- -a) 1.826E+01 μC
- -b) 2.009E+01 μC
- -c) 2.210E+01 μC
- -d) 2.431E+01 μC
- +e) 2.674E+01 μC
QB:Ch 8:V2[edit | edit source]
QB153099154193
- a) 2.443E+01 μJ
- b) 2.687E+01 μJ
- c) 2.955E+01 μJ
- d) 3.251E+01 μJ
- e) 3.576E+01 μJ
2) An empty parallel-plate capacitor with metal plates has an area of 2.66 m2, separated by 1.18 mm. How much charge does it store if the voltage is 6.170E+03 V?
- a) 1.231E+02 μC
- b) 1.355E+02 μC
- c) 1.490E+02 μC
- d) 1.639E+02 μC
- e) 1.803E+02 μC
- a) 3.982E+01 μC
- b) 4.380E+01 μC
- c) 4.818E+01 μC
- d) 5.300E+01 μC
- e) 5.829E+01 μC
KEY:QB:Ch 8:V2[edit | edit source]
QB153099154193
- +a) 2.443E+01 μJ
- -b) 2.687E+01 μJ
- -c) 2.955E+01 μJ
- -d) 3.251E+01 μJ
- -e) 3.576E+01 μJ
2) An empty parallel-plate capacitor with metal plates has an area of 2.66 m2, separated by 1.18 mm. How much charge does it store if the voltage is 6.170E+03 V?
- +a) 1.231E+02 μC
- -b) 1.355E+02 μC
- -c) 1.490E+02 μC
- -d) 1.639E+02 μC
- -e) 1.803E+02 μC
- +a) 3.982E+01 μC
- -b) 4.380E+01 μC
- -c) 4.818E+01 μC
- -d) 5.300E+01 μC
- -e) 5.829E+01 μC
QB:Ch 9:V0[edit | edit source]
QB153099154193
1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- a) 2.109E-05 m/s
- b) 2.320E-05 m/s
- c) 2.552E-05 m/s
- d) 2.807E-05 m/s
- e) 3.088E-05 m/s
2) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- a) 2.215E-01 Ω
- b) 2.436E-01 Ω
- c) 2.680E-01 Ω
- d) 2.948E-01 Ω
- e) 3.243E-01 Ω
3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.56 Ω at a temperature of 97°C and that the temperature coefficient of expansion is 5.020E-03 (°C)−1). What is the resistance at a temperature of 340 °C?
- a) 3.463E+00 Ω
- b) 3.636E+00 Ω
- c) 3.818E+00 Ω
- d) 4.009E+00 Ω
- e) 4.209E+00 Ω
KEY:QB:Ch 9:V0[edit | edit source]
QB153099154193
1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- -a) 2.109E-05 m/s
- -b) 2.320E-05 m/s
- +c) 2.552E-05 m/s
- -d) 2.807E-05 m/s
- -e) 3.088E-05 m/s
2) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- -a) 2.215E-01 Ω
- +b) 2.436E-01 Ω
- -c) 2.680E-01 Ω
- -d) 2.948E-01 Ω
- -e) 3.243E-01 Ω
3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.56 Ω at a temperature of 97°C and that the temperature coefficient of expansion is 5.020E-03 (°C)−1). What is the resistance at a temperature of 340 °C?
- +a) 3.463E+00 Ω
- -b) 3.636E+00 Ω
- -c) 3.818E+00 Ω
- -d) 4.009E+00 Ω
- -e) 4.209E+00 Ω
QB:Ch 9:V1[edit | edit source]
QB153099154193
1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- a) 2.631E-01 Ω
- b) 2.894E-01 Ω
- c) 3.184E-01 Ω
- d) 3.502E-01 Ω
- e) 3.852E-01 Ω
2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.52 Ω at a temperature of 45°C and that the temperature coefficient of expansion is 4.330E-03 (°C)−1). What is the resistance at a temperature of 479 °C?
- a) 3.970E+00 Ω
- b) 4.168E+00 Ω
- c) 4.376E+00 Ω
- d) 4.595E+00 Ω
- e) 4.825E+00 Ω
3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 5.05 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- a) 1.614E-05 m/s
- b) 1.776E-05 m/s
- c) 1.953E-05 m/s
- d) 2.149E-05 m/s
- e) 2.363E-05 m/s
KEY:QB:Ch 9:V1[edit | edit source]
QB153099154193
1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- -a) 2.631E-01 Ω
- -b) 2.894E-01 Ω
- -c) 3.184E-01 Ω
- +d) 3.502E-01 Ω
- -e) 3.852E-01 Ω
2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.52 Ω at a temperature of 45°C and that the temperature coefficient of expansion is 4.330E-03 (°C)−1). What is the resistance at a temperature of 479 °C?
- -a) 3.970E+00 Ω
- -b) 4.168E+00 Ω
- +c) 4.376E+00 Ω
- -d) 4.595E+00 Ω
- -e) 4.825E+00 Ω
3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 5.05 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- +a) 1.614E-05 m/s
- -b) 1.776E-05 m/s
- -c) 1.953E-05 m/s
- -d) 2.149E-05 m/s
- -e) 2.363E-05 m/s
QB:Ch 9:V2[edit | edit source]
QB153099154193
1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- a) 2.631E-01 Ω
- b) 2.894E-01 Ω
- c) 3.184E-01 Ω
- d) 3.502E-01 Ω
- e) 3.852E-01 Ω
2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 Ω at a temperature of 30°C and that the temperature coefficient of expansion is 5.900E-03 (°C)−1). What is the resistance at a temperature of 445 °C?
- a) 1.014E+01 Ω
- b) 1.065E+01 Ω
- c) 1.118E+01 Ω
- d) 1.174E+01 Ω
- e) 1.232E+01 Ω
3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- a) 2.204E-05 m/s
- b) 2.424E-05 m/s
- c) 2.667E-05 m/s
- d) 2.933E-05 m/s
- e) 3.227E-05 m/s
KEY:QB:Ch 9:V2[edit | edit source]
QB153099154193
1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 Ω·m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
- -a) 2.631E-01 Ω
- -b) 2.894E-01 Ω
- -c) 3.184E-01 Ω
- +d) 3.502E-01 Ω
- -e) 3.852E-01 Ω
2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 Ω at a temperature of 30°C and that the temperature coefficient of expansion is 5.900E-03 (°C)−1). What is the resistance at a temperature of 445 °C?
- +a) 1.014E+01 Ω
- -b) 1.065E+01 Ω
- -c) 1.118E+01 Ω
- -d) 1.174E+01 Ω
- -e) 1.232E+01 Ω
3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
- +a) 2.204E-05 m/s
- -b) 2.424E-05 m/s
- -c) 2.667E-05 m/s
- -d) 2.933E-05 m/s
- -e) 3.227E-05 m/s
QB:Ch 10:V0[edit | edit source]
QB153099154193
- a) 1.203E-01 A
- b) 1.324E-01 A
- c) 1.456E-01 A
- d) 1.602E-01 A
- e) 1.762E-01 A
- a) 1.446E+01 W
- b) 1.591E+01 W
- c) 1.750E+01 W
- d) 1.925E+01 W
- e) 2.117E+01 W
- a) 1.906E+01 V
- b) 2.097E+01 V
- c) 2.306E+01 V
- d) 2.537E+01 V
- e) 2.790E+01 V
KEY:QB:Ch 10:V0[edit | edit source]
QB153099154193
- -a) 1.203E-01 A
- -b) 1.324E-01 A
- +c) 1.456E-01 A
- -d) 1.602E-01 A
- -e) 1.762E-01 A
- -a) 1.446E+01 W
- -b) 1.591E+01 W
- -c) 1.750E+01 W
- -d) 1.925E+01 W
- +e) 2.117E+01 W
- -a) 1.906E+01 V
- +b) 2.097E+01 V
- -c) 2.306E+01 V
- -d) 2.537E+01 V
- -e) 2.790E+01 V
QB:Ch 10:V1[edit | edit source]
QB153099154193
- a) 1.380E+01 V
- b) 1.518E+01 V
- c) 1.670E+01 V
- d) 1.837E+01 V
- e) 2.020E+01 V
- a) 8.489E+00 W
- b) 9.338E+00 W
- c) 1.027E+01 W
- d) 1.130E+01 W
- e) 1.243E+01 W
- a) 2.089E-01 A
- b) 2.298E-01 A
- c) 2.528E-01 A
- d) 2.781E-01 A
- e) 3.059E-01 A
KEY:QB:Ch 10:V1[edit | edit source]
QB153099154193
- +a) 1.380E+01 V
- -b) 1.518E+01 V
- -c) 1.670E+01 V
- -d) 1.837E+01 V
- -e) 2.020E+01 V
- -a) 8.489E+00 W
- -b) 9.338E+00 W
- +c) 1.027E+01 W
- -d) 1.130E+01 W
- -e) 1.243E+01 W
- -a) 2.089E-01 A
- -b) 2.298E-01 A
- +c) 2.528E-01 A
- -d) 2.781E-01 A
- -e) 3.059E-01 A
QB:Ch 10:V2[edit | edit source]
QB153099154193
- a) 8.754E+00 V
- b) 9.630E+00 V
- c) 1.059E+01 V
- d) 1.165E+01 V
- e) 1.282E+01 V
- a) 2.543E+01 W
- b) 2.798E+01 W
- c) 3.077E+01 W
- d) 3.385E+01 W
- e) 3.724E+01 W
- a) 1.552E-01 A
- b) 1.707E-01 A
- c) 1.878E-01 A
- d) 2.065E-01 A
- e) 2.272E-01 A
KEY:QB:Ch 10:V2[edit | edit source]
QB153099154193
- -a) 8.754E+00 V
- -b) 9.630E+00 V
- -c) 1.059E+01 V
- -d) 1.165E+01 V
- +e) 1.282E+01 V
- -a) 2.543E+01 W
- -b) 2.798E+01 W
- -c) 3.077E+01 W
- +d) 3.385E+01 W
- -e) 3.724E+01 W
- -a) 1.552E-01 A
- -b) 1.707E-01 A
- -c) 1.878E-01 A
- -d) 2.065E-01 A
- +e) 2.272E-01 A
QB:Ch 11:V0[edit | edit source]
QB153099154193
1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.157 m and a magneticfield of 1.03 T. What is their maximum kinetic energy?
- a) 8.608E-01 MeV
- b) 9.468E-01 MeV
- c) 1.042E+00 MeV
- d) 1.146E+00 MeV
- e) 1.260E+00 MeV
2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.55 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.96 i + 1.68 j + 6.92 k) x 104 m/s?
- a) 4.179E-14 N
- b) 4.596E-14 N
- c) 5.056E-14 N
- d) 5.562E-14 N
- e) 6.118E-14 N
3) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?
- a) 5.792E-06 s
- b) 6.371E-06 s
- c) 7.008E-06 s
- d) 7.709E-06 s
- e) 8.480E-06 s
KEY:QB:Ch 11:V0[edit | edit source]
QB153099154193
1) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.157 m and a magneticfield of 1.03 T. What is their maximum kinetic energy?
- -a) 8.608E-01 MeV
- -b) 9.468E-01 MeV
- -c) 1.042E+00 MeV
- -d) 1.146E+00 MeV
- +e) 1.260E+00 MeV
2) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.55 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.96 i + 1.68 j + 6.92 k) x 104 m/s?
- -a) 4.179E-14 N
- +b) 4.596E-14 N
- -c) 5.056E-14 N
- -d) 5.562E-14 N
- -e) 6.118E-14 N
3) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?
- -a) 5.792E-06 s
- +b) 6.371E-06 s
- -c) 7.008E-06 s
- -d) 7.709E-06 s
- -e) 8.480E-06 s
QB:Ch 11:V1[edit | edit source]
QB153099154193
1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.81 i + 2.05 j + 4.49 k) x 104 m/s?
- a) 2.576E-14 N
- b) 2.834E-14 N
- c) 3.117E-14 N
- d) 3.429E-14 N
- e) 3.772E-14 N
2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.436 m and a magneticfield of 0.881 T. What is their maximum kinetic energy?
- a) 5.342E+00 MeV
- b) 5.877E+00 MeV
- c) 6.464E+00 MeV
- d) 7.111E+00 MeV
- e) 7.822E+00 MeV
3) A charged particle in a magnetic field of 5.500E-04 T is moving perpendicular to the magnetic field with a speed of 2.930E+05 m/s. What is the period of orbit if orbital radius is 0.787 m?
- a) 1.688E-05 s
- b) 1.856E-05 s
- c) 2.042E-05 s
- d) 2.246E-05 s
- e) 2.471E-05 s
KEY:QB:Ch 11:V1[edit | edit source]
QB153099154193
1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(1.81 i + 2.05 j + 4.49 k) x 104 m/s?
- -a) 2.576E-14 N
- -b) 2.834E-14 N
- -c) 3.117E-14 N
- -d) 3.429E-14 N
- +e) 3.772E-14 N
2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.436 m and a magneticfield of 0.881 T. What is their maximum kinetic energy?
- -a) 5.342E+00 MeV
- -b) 5.877E+00 MeV
- -c) 6.464E+00 MeV
- +d) 7.111E+00 MeV
- -e) 7.822E+00 MeV
3) A charged particle in a magnetic field of 5.500E-04 T is moving perpendicular to the magnetic field with a speed of 2.930E+05 m/s. What is the period of orbit if orbital radius is 0.787 m?
- +a) 1.688E-05 s
- -b) 1.856E-05 s
- -c) 2.042E-05 s
- -d) 2.246E-05 s
- -e) 2.471E-05 s
QB:Ch 11:V2[edit | edit source]
QB153099154193
1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 3.41 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(6.21 i + 5.39 j + 3.81 k) x 104 m/s?
- a) 4.419E-14 N
- b) 4.861E-14 N
- c) 5.347E-14 N
- d) 5.882E-14 N
- e) 6.470E-14 N
2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.125 m and a magneticfield of 0.932 T. What is their maximum kinetic energy?
- a) 4.914E-01 MeV
- b) 5.406E-01 MeV
- c) 5.946E-01 MeV
- d) 6.541E-01 MeV
- e) 7.195E-01 MeV
3) A charged particle in a magnetic field of 2.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.120E+05 m/s. What is the period of orbit if orbital radius is 0.385 m?
- a) 1.141E-05 s
- b) 1.255E-05 s
- c) 1.381E-05 s
- d) 1.519E-05 s
- e) 1.671E-05 s
KEY:QB:Ch 11:V2[edit | edit source]
QB153099154193
1) An alpha-particle (q=3.2x10−19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 3.41 T. What is the x-component of the force on the alpha-particle if it is moving with a velocity
(6.21 i + 5.39 j + 3.81 k) x 104 m/s?
- -a) 4.419E-14 N
- -b) 4.861E-14 N
- -c) 5.347E-14 N
- +d) 5.882E-14 N
- -e) 6.470E-14 N
2) A cyclotron used to accelerate alpha particlesm=6.64 x 10−27kg, q=3.2 x 10−19C) has a radius of 0.125 m and a magneticfield of 0.932 T. What is their maximum kinetic energy?
- -a) 4.914E-01 MeV
- -b) 5.406E-01 MeV
- -c) 5.946E-01 MeV
- +d) 6.541E-01 MeV
- -e) 7.195E-01 MeV
3) A charged particle in a magnetic field of 2.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.120E+05 m/s. What is the period of orbit if orbital radius is 0.385 m?
- +a) 1.141E-05 s
- -b) 1.255E-05 s
- -c) 1.381E-05 s
- -d) 1.519E-05 s
- -e) 1.671E-05 s
QB:Ch 12:V0[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 3.33 mm from the center of a wire of radius 5 mm if the current is 1A?
- a) 2.202E-05 T
- b) 2.422E-05 T
- c) 2.664E-05 T
- d) 2.930E-05 T
- e) 3.223E-05 T
:
- a) 2.696E-03 T-m
- b) 2.966E-03 T-m
- c) 3.263E-03 T-m
- d) 3.589E-03 T-m
- e) 3.948E-03 T-m
3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.53 m while the other has a radius of 1.38 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?
- a) 1.294E-02 T
- b) 1.424E-02 T
- c) 1.566E-02 T
- d) 1.723E-02 T
- e) 1.895E-02 T
KEY:QB:Ch 12:V0[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 3.33 mm from the center of a wire of radius 5 mm if the current is 1A?
- -a) 2.202E-05 T
- -b) 2.422E-05 T
- +c) 2.664E-05 T
- -d) 2.930E-05 T
- -e) 3.223E-05 T
:
- -a) 2.696E-03 T-m
- -b) 2.966E-03 T-m
- -c) 3.263E-03 T-m
- +d) 3.589E-03 T-m
- -e) 3.948E-03 T-m
3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.53 m while the other has a radius of 1.38 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?
- -a) 1.294E-02 T
- -b) 1.424E-02 T
- +c) 1.566E-02 T
- -d) 1.723E-02 T
- -e) 1.895E-02 T
QB:Ch 12:V1[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.03 mm from the center of a wire of radius 3 mm if the current is 1A?
- a) 1.720E-05 T
- b) 1.892E-05 T
- c) 2.081E-05 T
- d) 2.289E-05 T
- e) 2.518E-05 T
2) Two loops of wire carry the same current of 21 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.753 m while the other has a radius of 1.47 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.406 m from the first (smaller) loopif the disance between the loops is 1.38 m?
- a) 1.559E-02 T
- b) 1.715E-02 T
- c) 1.886E-02 T
- d) 2.075E-02 T
- e) 2.283E-02 T
:
- a) 3.770E-03 T-m
- b) 4.147E-03 T-m
- c) 4.562E-03 T-m
- d) 5.018E-03 T-m
- e) 5.520E-03 T-m
KEY:QB:Ch 12:V1[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.03 mm from the center of a wire of radius 3 mm if the current is 1A?
- -a) 1.720E-05 T
- -b) 1.892E-05 T
- -c) 2.081E-05 T
- +d) 2.289E-05 T
- -e) 2.518E-05 T
2) Two loops of wire carry the same current of 21 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.753 m while the other has a radius of 1.47 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.406 m from the first (smaller) loopif the disance between the loops is 1.38 m?
- -a) 1.559E-02 T
- +b) 1.715E-02 T
- -c) 1.886E-02 T
- -d) 2.075E-02 T
- -e) 2.283E-02 T
:
- -a) 3.770E-03 T-m
- +b) 4.147E-03 T-m
- -c) 4.562E-03 T-m
- -d) 5.018E-03 T-m
- -e) 5.520E-03 T-m
QB:Ch 12:V2[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?
- a) 1.488E-05 T
- b) 1.637E-05 T
- c) 1.800E-05 T
- d) 1.981E-05 T
- e) 2.179E-05 T
2) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.838 m while the other has a radius of 1.17 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?
- a) 3.863E-02 T
- b) 4.249E-02 T
- c) 4.674E-02 T
- d) 5.141E-02 T
- e) 5.655E-02 T
:
- a) 4.362E-03 T-m
- b) 4.798E-03 T-m
- c) 5.278E-03 T-m
- d) 5.806E-03 T-m
- e) 6.386E-03 T-m
KEY:QB:Ch 12:V2[edit | edit source]
QB153099154193
1) Under most conditions the current is distributed uniformly over the cross section of the wire. What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?
- +a) 1.488E-05 T
- -b) 1.637E-05 T
- -c) 1.800E-05 T
- -d) 1.981E-05 T
- -e) 2.179E-05 T
2) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation. One loop has a radius of 0.838 m while the other has a radius of 1.17 m. What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?
- -a) 3.863E-02 T
- +b) 4.249E-02 T
- -c) 4.674E-02 T
- -d) 5.141E-02 T
- -e) 5.655E-02 T
:
- -a) 4.362E-03 T-m
- -b) 4.798E-03 T-m
- -c) 5.278E-03 T-m
- +d) 5.806E-03 T-m
- -e) 6.386E-03 T-m
QB:Ch 13:V0[edit | edit source]
QB153099154193
--(Answer & Why this question is different.)
- a) 5.308E+01 cm3/s
- b) 5.839E+01 cm3/s
- c) 6.422E+01 cm3/s
- d) 7.065E+01 cm3/s
- e) 7.771E+01 cm3/s
2) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- a) 1.157E+00 A
- b) 1.273E+00 A
- c) 1.400E+00 A
- d) 1.540E+00 A
- e) 1.694E+00 A
3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.8 m. The magnetic field is spatially uniform but decays in time according to , where 8.91 s. What is the current in the coil if the impedance of the coil is 61.7 Ω?
- a) 5.369E-01 A
- b) 5.906E-01 A
- c) 6.496E-01 A
- d) 7.146E-01 A
- e) 7.860E-01 A
KEY:QB:Ch 13:V0[edit | edit source]
QB153099154193
--(Answer & Why this question is different.)
- -a) 5.308E+01 cm3/s
- +b) 5.839E+01 cm3/s
- -c) 6.422E+01 cm3/s
- -d) 7.065E+01 cm3/s
- -e) 7.771E+01 cm3/s
2) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- -a) 1.157E+00 A
- +b) 1.273E+00 A
- -c) 1.400E+00 A
- -d) 1.540E+00 A
- -e) 1.694E+00 A
3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.8 m. The magnetic field is spatially uniform but decays in time according to , where 8.91 s. What is the current in the coil if the impedance of the coil is 61.7 Ω?
- -a) 5.369E-01 A
- -b) 5.906E-01 A
- -c) 6.496E-01 A
- -d) 7.146E-01 A
- +e) 7.860E-01 A
QB:Ch 13:V1[edit | edit source]
QB153099154193
1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.798 m. The magnetic field is spatially uniform but decays in time according to , where 4.63 s. What is the current in the coil if the impedance of the coil is 75.7 Ω?
- a) 2.651E-01 A
- b) 2.917E-01 A
- c) 3.208E-01 A
- d) 3.529E-01 A
- e) 3.882E-01 A
2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- a) 1.809E-01 A
- b) 1.989E-01 A
- c) 2.188E-01 A
- d) 2.407E-01 A
- e) 2.648E-01 A
--(Answer & Why this question is different.)
- a) 1.414E+01 cm3/s
- b) 1.556E+01 cm3/s
- c) 1.711E+01 cm3/s
- d) 1.882E+01 cm3/s
- e) 2.070E+01 cm3/s
KEY:QB:Ch 13:V1[edit | edit source]
QB153099154193
1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.798 m. The magnetic field is spatially uniform but decays in time according to , where 4.63 s. What is the current in the coil if the impedance of the coil is 75.7 Ω?
- -a) 2.651E-01 A
- -b) 2.917E-01 A
- -c) 3.208E-01 A
- +d) 3.529E-01 A
- -e) 3.882E-01 A
2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- -a) 1.809E-01 A
- -b) 1.989E-01 A
- -c) 2.188E-01 A
- +d) 2.407E-01 A
- -e) 2.648E-01 A
--(Answer & Why this question is different.)
- -a) 1.414E+01 cm3/s
- -b) 1.556E+01 cm3/s
- -c) 1.711E+01 cm3/s
- -d) 1.882E+01 cm3/s
- +e) 2.070E+01 cm3/s
QB:Ch 13:V2[edit | edit source]
QB153099154193
--(Answer & Why this question is different.)
- a) 2.976E+01 cm3/s
- b) 3.274E+01 cm3/s
- c) 3.601E+01 cm3/s
- d) 3.961E+01 cm3/s
- e) 4.358E+01 cm3/s
2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to , where 9.15 s. What is the current in the coil if the impedance of the coil is 67.8 Ω?
- a) 1.240E-01 A
- b) 1.364E-01 A
- c) 1.500E-01 A
- d) 1.650E-01 A
- e) 1.815E-01 A
3) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- a) 1.157E+00 A
- b) 1.273E+00 A
- c) 1.400E+00 A
- d) 1.540E+00 A
- e) 1.694E+00 A
KEY:QB:Ch 13:V2[edit | edit source]
QB153099154193
--(Answer & Why this question is different.)
- +a) 2.976E+01 cm3/s
- -b) 3.274E+01 cm3/s
- -c) 3.601E+01 cm3/s
- -d) 3.961E+01 cm3/s
- -e) 4.358E+01 cm3/s
2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to , where 9.15 s. What is the current in the coil if the impedance of the coil is 67.8 Ω?
- -a) 1.240E-01 A
- +b) 1.364E-01 A
- -c) 1.500E-01 A
- -d) 1.650E-01 A
- -e) 1.815E-01 A
3) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 Ω. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
- -a) 1.157E+00 A
- +b) 1.273E+00 A
- -c) 1.400E+00 A
- -d) 1.540E+00 A
- -e) 1.694E+00 A
QB:Ch 14:V0[edit | edit source]
QB153099154193
- a) 4.551E-02 V
- b) 5.006E-02 V
- c) 5.507E-02 V
- d) 6.057E-02 V
- e) 6.663E-02 V
- a) -1.047E+00 s
- b) -1.152E+00 s
- c) -1.267E+00 s
- d) -1.393E+00 s
- e) -1.533E+00 s
3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- a) 1.570E+00 cm3
- b) 1.727E+00 cm3
- c) 1.900E+00 cm3
- d) 2.090E+00 cm3
- e) 2.299E+00 cm3
KEY:QB:Ch 14:V0[edit | edit source]
QB153099154193
- -a) 4.551E-02 V
- -b) 5.006E-02 V
- -c) 5.507E-02 V
- -d) 6.057E-02 V
- +e) 6.663E-02 V
- -a) -1.047E+00 s
- +b) -1.152E+00 s
- -c) -1.267E+00 s
- -d) -1.393E+00 s
- -e) -1.533E+00 s
3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- +a) 1.570E+00 cm3
- -b) 1.727E+00 cm3
- -c) 1.900E+00 cm3
- -d) 2.090E+00 cm3
- -e) 2.299E+00 cm3
QB:Ch 14:V1[edit | edit source]
QB153099154193
- a) -8.659E-01 s
- b) -9.525E-01 s
- c) -1.048E+00 s
- d) -1.153E+00 s
- e) -1.268E+00 s
- a) 2.643E-02 V
- b) 2.907E-02 V
- c) 3.198E-02 V
- d) 3.518E-02 V
- e) 3.869E-02 V
3) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- a) 1.342E+00 cm3
- b) 1.477E+00 cm3
- c) 1.624E+00 cm3
- d) 1.787E+00 cm3
- e) 1.965E+00 cm3
KEY:QB:Ch 14:V1[edit | edit source]
QB153099154193
- -a) -8.659E-01 s
- -b) -9.525E-01 s
- +c) -1.048E+00 s
- -d) -1.153E+00 s
- -e) -1.268E+00 s
- -a) 2.643E-02 V
- +b) 2.907E-02 V
- -c) 3.198E-02 V
- -d) 3.518E-02 V
- -e) 3.869E-02 V
3) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- -a) 1.342E+00 cm3
- +b) 1.477E+00 cm3
- -c) 1.624E+00 cm3
- -d) 1.787E+00 cm3
- -e) 1.965E+00 cm3
QB:Ch 14:V2[edit | edit source]
QB153099154193
- a) -1.047E+00 s
- b) -1.152E+00 s
- c) -1.267E+00 s
- d) -1.393E+00 s
- e) -1.533E+00 s
- a) 1.894E-02 V
- b) 2.083E-02 V
- c) 2.291E-02 V
- d) 2.520E-02 V
- e) 2.772E-02 V
3) A washer has an inner diameter of 2.23 cm and an outer diamter of 4.18 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- a) 1.351E+00 cm3
- b) 1.486E+00 cm3
- c) 1.635E+00 cm3
- d) 1.798E+00 cm3
- e) 1.978E+00 cm3
KEY:QB:Ch 14:V2[edit | edit source]
QB153099154193
- -a) -1.047E+00 s
- +b) -1.152E+00 s
- -c) -1.267E+00 s
- -d) -1.393E+00 s
- -e) -1.533E+00 s
- -a) 1.894E-02 V
- -b) 2.083E-02 V
- -c) 2.291E-02 V
- +d) 2.520E-02 V
- -e) 2.772E-02 V
3) A washer has an inner diameter of 2.23 cm and an outer diamter of 4.18 cm. The thickness is where is measured in cm, , and . What is the volume of the washer?
- +a) 1.351E+00 cm3
- -b) 1.486E+00 cm3
- -c) 1.635E+00 cm3
- -d) 1.798E+00 cm3
- -e) 1.978E+00 cm3
QB:Ch 15:V0[edit | edit source]
QB153099154193
1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a 49 mF inductor?
- a) 2.839E-01 A
- b) 3.123E-01 A
- c) 3.435E-01 A
- d) 3.779E-01 A
- e) 4.157E-01 A
2) A step-down transformer steps 18 kV down to 170 V. The high-voltage input is provided by a 230 Ω power line that carries 5 A of currentWhat is the output current (at the 170 V side ?)
- a) 4.375E+02 A
- b) 4.813E+02 A
- c) 5.294E+02 A
- d) 5.824E+02 A
- e) 6.406E+02 A
3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=5 V. The resistance, inductance, and capacitance are R =0.27 Ω, L= 4.30E-03H , and C=2.20E-06 F, respectively.
- a) Q = 1.238E+02
- b) Q = 1.424E+02
- c) Q = 1.637E+02
- d) Q = 1.883E+02
- e) Q = 2.165E+02
KEY:QB:Ch 15:V0[edit | edit source]
QB153099154193
1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a 49 mF inductor?
- -a) 2.839E-01 A
- +b) 3.123E-01 A
- -c) 3.435E-01 A
- -d) 3.779E-01 A
- -e) 4.157E-01 A
2) A step-down transformer steps 18 kV down to 170 V. The high-voltage input is provided by a 230 Ω power line that carries 5 A of currentWhat is the output current (at the 170 V side ?)
- -a) 4.375E+02 A
- -b) 4.813E+02 A
- +c) 5.294E+02 A
- -d) 5.824E+02 A
- -e) 6.406E+02 A
3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=5 V. The resistance, inductance, and capacitance are R =0.27 Ω, L= 4.30E-03H , and C=2.20E-06 F, respectively.
- -a) Q = 1.238E+02
- -b) Q = 1.424E+02
- +c) Q = 1.637E+02
- -d) Q = 1.883E+02
- -e) Q = 2.165E+02
QB:Ch 15:V1[edit | edit source]
QB153099154193
1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
- a) 2.156E+02 A
- b) 2.372E+02 A
- c) 2.609E+02 A
- d) 2.870E+02 A
- e) 3.157E+02 A
2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=5 V. The resistance, inductance, and capacitance are R =0.17 Ω, L= 4.40E-03H , and C=3.40E-06 F, respectively.
- a) Q = 1.391E+02
- b) Q = 1.600E+02
- c) Q = 1.840E+02
- d) Q = 2.116E+02
- e) Q = 2.434E+02
3) An ac generator produces an emf of amplitude 76 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a 14 mF inductor?
- a) 3.606E+00 A
- b) 3.967E+00 A
- c) 4.364E+00 A
- d) 4.800E+00 A
- e) 5.280E+00 A
KEY:QB:Ch 15:V1[edit | edit source]
QB153099154193
1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
- -a) 2.156E+02 A
- -b) 2.372E+02 A
- +c) 2.609E+02 A
- -d) 2.870E+02 A
- -e) 3.157E+02 A
2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=5 V. The resistance, inductance, and capacitance are R =0.17 Ω, L= 4.40E-03H , and C=3.40E-06 F, respectively.
- -a) Q = 1.391E+02
- -b) Q = 1.600E+02
- -c) Q = 1.840E+02
- +d) Q = 2.116E+02
- -e) Q = 2.434E+02
3) An ac generator produces an emf of amplitude 76 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a 14 mF inductor?
- -a) 3.606E+00 A
- -b) 3.967E+00 A
- -c) 4.364E+00 A
- +d) 4.800E+00 A
- -e) 5.280E+00 A
QB:Ch 15:V2[edit | edit source]
QB153099154193
1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
- a) 2.156E+02 A
- b) 2.372E+02 A
- c) 2.609E+02 A
- d) 2.870E+02 A
- e) 3.157E+02 A
2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=3 V. The resistance, inductance, and capacitance are R =0.22 Ω, L= 5.10E-03H , and C=2.50E-06 F, respectively.
- a) Q = 2.053E+02
- b) Q = 2.361E+02
- c) Q = 2.715E+02
- d) Q = 3.122E+02
- e) Q = 3.591E+02
3) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 85 mF inductor?
- a) 7.856E-01 A
- b) 8.642E-01 A
- c) 9.506E-01 A
- d) 1.046E+00 A
- e) 1.150E+00 A
KEY:QB:Ch 15:V2[edit | edit source]
QB153099154193
1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 Ω power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
- -a) 2.156E+02 A
- -b) 2.372E+02 A
- +c) 2.609E+02 A
- -d) 2.870E+02 A
- -e) 3.157E+02 A
2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL, XC and only twoimpedances are involved, Q=≡ω0L/R is definedso that Q is large if the resistance is low. Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(ωt), where V0=3 V. The resistance, inductance, and capacitance are R =0.22 Ω, L= 5.10E-03H , and C=2.50E-06 F, respectively.
- +a) Q = 2.053E+02
- -b) Q = 2.361E+02
- -c) Q = 2.715E+02
- -d) Q = 3.122E+02
- -e) Q = 3.591E+02
3) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a 85 mF inductor?
- -a) 7.856E-01 A
- +b) 8.642E-01 A
- -c) 9.506E-01 A
- -d) 1.046E+00 A
- -e) 1.150E+00 A
QB:Ch 16:V0[edit | edit source]
QB153099154193
1) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.
- a) 5.263E-07 N
- b) 5.789E-07 N
- c) 6.368E-07 N
- d) 7.005E-07 N
- e) 7.705E-07 N
- a) 6.394E-02 A
- b) 7.033E-02 A
- c) 7.736E-02 A
- d) 8.510E-02 A
- e) 9.361E-02 A
3) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 72 kW?
- a) 1.084E+02 km
- b) 1.193E+02 km
- c) 1.312E+02 km
- d) 1.443E+02 km
- e) 1.587E+02 km
KEY:QB:Ch 16:V0[edit | edit source]
QB153099154193
1) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.
- -a) 5.263E-07 N
- -b) 5.789E-07 N
- -c) 6.368E-07 N
- -d) 7.005E-07 N
- +e) 7.705E-07 N
- -a) 6.394E-02 A
- +b) 7.033E-02 A
- -c) 7.736E-02 A
- -d) 8.510E-02 A
- -e) 9.361E-02 A
3) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 72 kW?
- -a) 1.084E+02 km
- -b) 1.193E+02 km
- -c) 1.312E+02 km
- -d) 1.443E+02 km
- +e) 1.587E+02 km
QB:Ch 16:V1[edit | edit source]
QB153099154193
1) A 46 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 78 kW?
- a) 1.563E+02 km
- b) 1.719E+02 km
- c) 1.891E+02 km
- d) 2.080E+02 km
- e) 2.288E+02 km
- a) 8.138E-01 A
- b) 8.952E-01 A
- c) 9.847E-01 A
- d) 1.083E+00 A
- e) 1.191E+00 A
3) What is the radiation force on an object that is 7.40E+11 m away from the sun and has cross-sectional area of 0.082 m2? The average power output of the Sun is 3.80E+26 W.
- a) 2.063E-08 N
- b) 2.270E-08 N
- c) 2.497E-08 N
- d) 2.746E-08 N
- e) 3.021E-08 N
KEY:QB:Ch 16:V1[edit | edit source]
QB153099154193
1) A 46 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 78 kW?
- +a) 1.563E+02 km
- -b) 1.719E+02 km
- -c) 1.891E+02 km
- -d) 2.080E+02 km
- -e) 2.288E+02 km
- +a) 8.138E-01 A
- -b) 8.952E-01 A
- -c) 9.847E-01 A
- -d) 1.083E+00 A
- -e) 1.191E+00 A
3) What is the radiation force on an object that is 7.40E+11 m away from the sun and has cross-sectional area of 0.082 m2? The average power output of the Sun is 3.80E+26 W.
- -a) 2.063E-08 N
- -b) 2.270E-08 N
- -c) 2.497E-08 N
- -d) 2.746E-08 N
- +e) 3.021E-08 N
QB:Ch 16:V2[edit | edit source]
QB153099154193
1) A 49 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 89 kW?
- a) 1.617E+02 km
- b) 1.779E+02 km
- c) 1.957E+02 km
- d) 2.153E+02 km
- e) 2.368E+02 km
- a) 4.678E-04 A
- b) 5.145E-04 A
- c) 5.660E-04 A
- d) 6.226E-04 A
- e) 6.848E-04 A
3) What is the radiation force on an object that is 4.70E+11 m away from the sun and has cross-sectional area of 0.015 m2? The average power output of the Sun is 3.80E+26 W.
- a) 1.029E-08 N
- b) 1.132E-08 N
- c) 1.245E-08 N
- d) 1.370E-08 N
- e) 1.507E-08 N
KEY:QB:Ch 16:V2[edit | edit source]
QB153099154193
1) A 49 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 89 kW?
- +a) 1.617E+02 km
- -b) 1.779E+02 km
- -c) 1.957E+02 km
- -d) 2.153E+02 km
- -e) 2.368E+02 km
- -a) 4.678E-04 A
- +b) 5.145E-04 A
- -c) 5.660E-04 A
- -d) 6.226E-04 A
- -e) 6.848E-04 A
3) What is the radiation force on an object that is 4.70E+11 m away from the sun and has cross-sectional area of 0.015 m2? The average power output of the Sun is 3.80E+26 W.
- -a) 1.029E-08 N
- -b) 1.132E-08 N
- -c) 1.245E-08 N
- +d) 1.370E-08 N
- -e) 1.507E-08 N